///**
//  ******************************************************************************
//  * @file    Project/STM32F10x_StdPeriph_Template/main.c 
//  * @author  MCD Application Team
//  * @version V3.5.0
//  * @date    08-April-2011
//  * @brief   Main program body
//  ******************************************************************************
//  * @attention
//  *
//  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
//  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
//  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
//  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
//  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
//  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
//  *
//  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
//  ******************************************************************************
//  */  

///* Includes ------------------------------------------------------------------*/
//#include "stm32f10x.h"
//#include "stm32_eval.h"
//#include <stdio.h>

//#ifdef USE_STM32100B_EVAL
// #include "stm32100b_eval_lcd.h"
//#elif defined USE_STM3210B_EVAL
// #include "stm3210b_eval_lcd.h"
//#elif defined USE_STM3210E_EVAL
// #include "stm3210e_eval_lcd.h" 
//#elif defined USE_STM3210C_EVAL
// #include "stm3210c_eval_lcd.h"
//#elif defined USE_STM32100E_EVAL
// #include "stm32100e_eval_lcd.h"
//#endif

///** @addtogroup STM32F10x_StdPeriph_Template
//  * @{
//  */

///* Private typedef -----------------------------------------------------------*/
///* Private define ------------------------------------------------------------*/
//#ifdef USE_STM32100B_EVAL
//  #define MESSAGE1   "STM32 MD Value Line " 
//  #define MESSAGE2   " Device running on  " 
//  #define MESSAGE3   "  STM32100B-EVAL    " 
//#elif defined (USE_STM3210B_EVAL)
//  #define MESSAGE1   "STM32 Medium Density" 
//  #define MESSAGE2   " Device running on  " 
//  #define MESSAGE3   "   STM3210B-EVAL    " 
//#elif defined (STM32F10X_XL) && defined (USE_STM3210E_EVAL)
//  #define MESSAGE1   "  STM32 XL Density  " 
//  #define MESSAGE2   " Device running on  " 
//  #define MESSAGE3   "   STM3210E-EVAL    "
//#elif defined (USE_STM3210E_EVAL)
//  #define MESSAGE1   " STM32 High Density " 
//  #define MESSAGE2   " Device running on  " 
//  #define MESSAGE3   "   STM3210E-EVAL    " 
//#elif defined (USE_STM3210C_EVAL)
//  #define MESSAGE1   " STM32 Connectivity " 
//  #define MESSAGE2   " Line Device running" 
//  #define MESSAGE3   " on STM3210C-EVAL   "
//#elif defined (USE_STM32100E_EVAL)
//  #define MESSAGE1   "STM32 HD Value Line " 
//  #define MESSAGE2   " Device running on  " 
//  #define MESSAGE3   "  STM32100E-EVAL    "   
//#endif

///* Private macro -------------------------------------------------------------*/
///* Private variables ---------------------------------------------------------*/
// USART_InitTypeDef USART_InitStructure;

///* Private function prototypes -----------------------------------------------*/
//#ifdef __GNUC__
///* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
//   set to 'Yes') calls __io_putchar() */
//#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
//#else
//#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
//#endif /* __GNUC__ */

///* Private functions ---------------------------------------------------------*/

///**
//  * @brief  Main program.
//  * @param  None
//  * @retval None
//  */
//int main(void)
//{
//  /*!< At this stage the microcontroller clock setting is already configured, 
//       this is done through SystemInit() function which is called from startup
//       file (startup_stm32f10x_xx.s) before to branch to application main.
//       To reconfigure the default setting of SystemInit() function, refer to
//       system_stm32f10x.c file
//     */     

//  /* Initialize LEDs, Key Button, LCD and COM port(USART) available on
//     STM3210X-EVAL board ******************************************************/
//  STM_EVAL_LEDInit(LED1);
//  STM_EVAL_LEDInit(LED2);
//  STM_EVAL_LEDInit(LED3);
//  STM_EVAL_LEDInit(LED4);

//  /* USARTx configured as follow:
//        - BaudRate = 115200 baud  
//        - Word Length = 8 Bits
//        - One Stop Bit
//        - No parity
//        - Hardware flow control disabled (RTS and CTS signals)
//        - Receive and transmit enabled
//  */
//  USART_InitStructure.USART_BaudRate = 115200;
//  USART_InitStructure.USART_WordLength = USART_WordLength_8b;
//  USART_InitStructure.USART_StopBits = USART_StopBits_1;
//  USART_InitStructure.USART_Parity = USART_Parity_No;
//  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
//  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;

//  STM_EVAL_COMInit(COM1, &USART_InitStructure);

//  /* Initialize the LCD */
//#ifdef USE_STM32100B_EVAL
//  STM32100B_LCD_Init();
//#elif defined (USE_STM3210B_EVAL)
//  STM3210B_LCD_Init();
//#elif defined (USE_STM3210E_EVAL)
//  STM3210E_LCD_Init();
//#elif defined (USE_STM3210C_EVAL)
//  STM3210C_LCD_Init();
//#elif defined (USE_STM32100E_EVAL)
//  STM32100E_LCD_Init();  
//#endif

//  /* Display message on STM3210X-EVAL LCD *************************************/
//  /* Clear the LCD */ 
//  LCD_Clear(LCD_COLOR_WHITE);

//  /* Set the LCD Back Color */
//  LCD_SetBackColor(LCD_COLOR_BLUE);
//  /* Set the LCD Text Color */
//  LCD_SetTextColor(LCD_COLOR_WHITE);
//  LCD_DisplayStringLine(LCD_LINE_0, (uint8_t *)MESSAGE1);
//  LCD_DisplayStringLine(LCD_LINE_1, (uint8_t *)MESSAGE2);
//  LCD_DisplayStringLine(LCD_LINE_2, (uint8_t *)MESSAGE3);

//  /* Retarget the C library printf function to the USARTx, can be USART1 or USART2
//     depending on the EVAL board you are using ********************************/
//  printf("\n\r %s", MESSAGE1);
//  printf(" %s", MESSAGE2);
//  printf(" %s\n\r", MESSAGE3);

//  /* Turn on leds available on STM3210X-EVAL **********************************/
//  STM_EVAL_LEDOn(LED1);
//  STM_EVAL_LEDOn(LED2);
//  STM_EVAL_LEDOn(LED3);
//  STM_EVAL_LEDOn(LED4);

//  /* Add your application code here
//     */

//  /* Infinite loop */
//  while (1)
//  {
//  }
//}

///**
//  * @brief  Retargets the C library printf function to the USART.
//  * @param  None
//  * @retval None
//  */
//PUTCHAR_PROTOTYPE
//{
//  /* Place your implementation of fputc here */
//  /* e.g. write a character to the USART */
//  USART_SendData(EVAL_COM1, (uint8_t) ch);

//  /* Loop until the end of transmission */
//  while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)
//  {}

//  return ch;
//}

//#ifdef  USE_FULL_ASSERT

///**
//  * @brief  Reports the name of the source file and the source line number
//  *         where the assert_param error has occurred.
//  * @param  file: pointer to the source file name
//  * @param  line: assert_param error line source number
//  * @retval None
//  */
//void assert_failed(uint8_t* file, uint32_t line)
//{ 
//  /* User can add his own implementation to report the file name and line number,
//     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

//  /* Infinite loop */
//  while (1)
//  {
//  }
//}
//#endif

///**
//  * @}
//  */


///******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/







#include "stm32f10x.h"                  // Device header

/**
  * @brief  微秒级延时
  * @param  xus 延时时长，范围：0~233015
  * @retval 无
  */
void Delay_us(uint32_t xus)
{
	SysTick->LOAD = 72 * xus;				//设置定时器重装值
	SysTick->VAL = 0x00;					//清空当前计数值
	SysTick->CTRL = 0x00000005;				//设置时钟源为HCLK，启动定时器
	while(!(SysTick->CTRL & 0x00010000));	//等待计数到0
	SysTick->CTRL = 0x00000004;				//关闭定时器
}

/**
  * @brief  毫秒级延时
  * @param  xms 延时时长，范围：0~4294967295
  * @retval 无
  */
void Delay_ms(uint32_t xms)
{
	while(xms--)
	{
		Delay_us(1000);
	}
}


int main(void)
{
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);	//开启时钟
	
	//点亮PB5
	GPIO_InitTypeDef GPIO_InitStructure;		//初始化结构体
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;	//引脚配置	
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOB, &GPIO_InitStructure);
	
	
	
	while(1)
	{
		GPIO_ResetBits(GPIOB, GPIO_Pin_5);
		Delay_ms(500);
		GPIO_SetBits(GPIOB, GPIO_Pin_5);
		Delay_ms(500);
	}
}



///******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
